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SErIES IAEA HumAn HEAltH SErIES IAEA Hum

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P KA Patient:<br />

Fluoro 2<br />

3. KAP reading and calculation of air kerma area product<br />

Ambient conditions: Pressure, P (kPa): ______ Temperature, T ( o C): ____ k TP = _________<br />

Examination<br />

details<br />

Tube<br />

voltage<br />

(kV)<br />

AEC<br />

setting<br />

KAP meter<br />

reading, M<br />

k Q<br />

Air kerma area<br />

product, P KA<br />

a<br />

(Gy·cm 2 )<br />

Fluoroscopy<br />

time (s)<br />

a<br />

Ê 273.<br />

2 + T ˆ P<br />

PKA = MNP , QkTP where k<br />

KA<br />

TP = Á<br />

Ë + T<br />

˜ Ê ˆ<br />

,<br />

0<br />

. ¯ Ë<br />

Á<br />

P ¯<br />

˜ .<br />

273 2 0<br />

186

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